Now that Roundabouts RF to 40 lbs, what is the difference between these two seats apart from the FF weight limit? We need new seats for our new vehicle we are getting in February. We are tiny people who were 55 lbs in 4th grade so the FF weight to us isn't that important. The RF is. By the time our kids are 55 lbs their seats will be expired . Right now they are RF in a Complete Air & My Ride but we want either R100's or something Britax for the new vehicle. Thanks!

You can see a chart with the differences in features at the bottom of this page. I've been referencing it a lot the last few days, and it helps see what "convenience" and safety features each seat has compared to another.

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~Mara~ In love with my wonderful hubby and our little wonders H and L.
Missing our son C, born still 9/19/2007 and two we barely knew.Custom Baby Girl Headbands & Accessories in my Etsy store!

You can see a chart with the differences in features at the bottom of this page. I've been referencing it a lot the last few days, and it helps see what "convenience" and safety features each seat has compared to another.

Maybe I can talk him into one of each since our DD2 is a giant. DD1 is a teensy peanut who weighs the same as her 11 month old little sister. I'm sure DD2 will slow down and average out since DH and I are such tiny people but hey DH doesn't need to know that right now!

Maybe you can talk him into it by telling him you don't have to uninstall the seat to adjust the harness height when you turn the seats FFing. At least I am pretty sure you can adjust height with the seat installed. That is worth the extra price alone, IMO .